Only in very extreme circumstances. A fully grown bear would easily kill a tiger.
Siberian Tigers eat Grizzly Bears
NO. Tigers don't live where polar bears do, so the question has no merit whatsoever.
Siberian tigers have preyed on female brown bears.
no
No. But, Siberian Brown Bears do make up 1 to 2% of a Siberian tiger's diet. But lions eating bears? Not likely.
Siberian tigers and brown bears have killed and ate black bears.
No, black bears normally don't live where Siberians do.
Siberian tiger is stronger .
Wolves, siberian tigers, humans, and bears.
Siberian tigers prey on various deer species, wild hog, even brown bears on occasion.
Where tigers live there are no bears large enough to consider attacking them
It is possible, but there are many reports of them being killed by tigers.